The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 20, 2012
Filed:
Apr. 01, 2009
Applicant:
Bartele Griepsma, Metttendorf, CH;
Inventor:
Bartele Griepsma, Metttendorf, CH;
Assignee:
Sulzer Chemtech AG, Winterthur, CH;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01F 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multiple downcomer tray for a mass transfer column includes a mass transfer area and a plurality of downcomers for collecting and discharging a fluid from the tray. Each downcomer is shaped as a channel with an end wall attachable to an extension element. A downcomer and extension element together extends across the column and supports the panels of the mass transfer area.